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If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?
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Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.
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Mathematics, 21.06.2019 19:10
Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15
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Căn 5a nhân căn 45a trừ 3a với a>0...
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